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“Faoi” in Irish (under, about): Meaning and Prepositional Pronouns

Faoi means under, about. Joined to a pronoun it becomes one word: fúm (faoi + me). These one-word forms are called prepositional pronouns, forainmneacha réamhfhoclacha.
Updated October 2026Report a mistake

What does “faoi” mean?

1under, below
Faoi tells you that something is underneath something else, like a cat under a table.Also: under, below, beneath, underneath.
2about, concerning
Faoi is used to say what something is about, like a book or a story about a person or place.Also: about, concerning, on the subject of.
3by, around (time)
Faoi can show a time by which or around which something happens, like by Christmas.Also: by, around, at.

Pronounced “fwee” /fˠiː/.

“Faoi” with pronouns

In Irish you never say “faoi mé”. The preposition and the pronoun fuse into one word. Learn these 7 forms and you can use faoi with anyone. Click a form for its own page.

PronounIrishMeaningExample
mé (me)fúmunder me, about meBhí siad ag gáire fúm.They were laughing at me.
tú (you)fútunder you, about youTá sé fút féin.It's up to you.
sé (him / it)faoiunder him / it, about him / itChuala mé scéal faoi inné.I heard a story about him yesterday.
sí (her / it)fúithiunder her / it, about her / itBhí siad ag caint fúithi.They were talking about her.
sinn (us)fúinnunder us, about usNá bí ag magadh fúinn.Don't be making fun of us.
sibh (you (plural))fúibhunder you (plural), about you (plural)Inis dom fúibh féin.Tell me about yourselves.
siad (them)fúthuunder them, about themNíl mórán ar eolas agam fúthu.I don't know much about them.

“Faoi” before a noun

Faoi lenites the next word (séimhiú): the first letter takes an h, faoi bhord.

faoi bhord
under, about a table
Lenition (séimhiú) of the next word
faoin mbord
under, about the table
With the article, faoin eclipses the noun; d and t do not change
faoi na boird
under, about the tables
Plural: faoi na, no change

Faoi also means about: leabhar faoi Éirinn (a book about Ireland).

Chuir sé an mála faoin mbord.
He put the bag under the table.
Tá an cat faoin mbord.
The cat is under the table.
Tá na bróga faoin leaba.
The shoes are under the bed.

Everyday phrases with “faoi”

faoi dheireadh
at last, finally
Tá sé fút féin.
It's up to you.
ag magadh faoi
making fun of
faoi Nollaig
by Christmas, around Christmas
Labhair sé fúm.
He spoke about me.
Tá an cat faoin gcathaoir.
The cat is under the chair.

The other prepositions

Every simple preposition has its own set of pronoun forms.

“Faoi” in Irish: frequently asked questions

What does faoi mean in Irish?

faoi means under, about. With a pronoun it becomes one word: fúm (under, about me), fút (under, about you), faoi (under, about him / it).

What is the Irish for under me?

fúm. The preposition faoi and the pronoun mé fuse into one word; this is a prepositional pronoun (forainm réamhfhoclach).

Does faoi change the next word?

Faoi lenites the next word (séimhiú): the first letter takes an h, faoi bhord. Faoi also means about: leabhar faoi Éirinn (a book about Ireland).

How do I say 'a book about Ireland' in Irish?

You use 'faoi' for 'about': 'leabhar faoi Éirinn'. The same word means 'under', so context tells you which meaning is meant.

Why do I see 'faoin' instead of 'faoi an'?

'Faoi' joins with the article 'an' to make 'faoin', and the next word is usually eclipsed: 'faoin mbord' (under the table). In the plural you write 'faoi na': 'faoi na boird'.

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